<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <script type="text/javascript" src="./js/ctx.js"></script>
</head>
<body>
<div id="cesiumContainer">
</div>
<script>
    var initCesium = new InitCesium();
    var viewer = initCesium.initViewer('cesiumContainer', {
    });
    var img_google=new Cesium.UrlTemplateImageryProvider({
        subdomains: ["1", "2", "3"],
        url: "http://mt{s}.google.cn/vt/lyrs=s&hl=zh-CN&x={x}&y={y}&z={z}"
    });
    var layers= viewer.scene.imageryLayers;
     layers.removeAll();
    layers.addImageryProvider(img_google);
</script>
</body>

</html>